Long-term T Cell Culture
Long-term T Cell Culture - Related Videos
03:41
In Vitro Calcium Imaging in Short-Term and Long-Term Rat Hippocampal Cultures
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2025
Source: Calvo-Rodríguez, et al. Fluorescence and Bioluminescence Imaging of Subcellular Ca2+ in Aged Hippocampal Neurons. J. Vis. Exp. (2015). This video demonstrates the use of fluorescence imaging to measure cytosolic calcium levels in short-term and long-term rat hippocampal cultures. By comparing young and aged neurons, it highlights how increased L-type voltage-gated calcium channel density and prolonged activation in aged neurons result in calcium overloading, a hallmark of neuronal aging.
06:41
Isolation Method for Long-Term and Short-Term Hematopoietic Stem Cells
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2023
We present a step-by-step protocol for the isolation of long-term hematopoietic stem cells (LT-HSCs) and short-term HSCs (ST-HSCs) using the Hoxb5 reporter system.
15:57
Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
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Cited by 13 •
2015
Long-term cultured interferon-γ enzyme-linked immunospot assay is used as a measure of central memory responses and correlates with protective anti-mycobacterial vaccine responses. With this assay, peripheral blood mononuclear cells are stimulated with mycobacterial antigens and interleukin-2 for 14 days, enabling differentiation and expansion of central memory T cells.
12:26
Serial Enrichment of Spermatogonial Stem and Progenitor Cells (SSCs) in Culture for Derivation of Long-term Adult Mouse SSC Lines
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Cited by 9 •
2013
A simple method to derive and maintain spermatogonial stem and progenitor cell lines from adult mice is presented here. The method utilizes feeder cells originating from the somatic cell compartment of the adult mouse testis. This technique is applicable to common mouse strains, including transgenic, knock-out, and knock-in mice.
FAQs
The balance of nutrient-rich media and appropriate cytokine support helps maintain T cell survival and proliferation over extended periods. These conditions are not interchangeable: media supplies the culture environment, while cytokines provide signals that support continued cellular maintenance and expansion. Careful control is important because the goal is to sustain viable cells without promoting excessive exhaustion or contamination.
Repeated antigen or receptor stimulation can provide signals that promote continued T cell activation and proliferation when extended culture is required. The timing and extent of stimulation matter because sustained activation must support expansion while limiting exhaustion. This approach is especially relevant when researchers need to preserve or examine responses directed toward a particular antigen or receptor.
Short-term activation focuses on early immune responses, whereas extended culture permits researchers to follow changes that emerge over time. Long-term T cell culture can support analysis of differentiation, memory formation, and sustained pathogen-specific responses, not just initial activation. It therefore provides a broader view of cellular behavior, although maintaining useful viability and function requires controlled conditions throughout the experiment.
A supported workflow begins by placing T lymphocytes in nutrient-rich media with appropriate cytokine support, then maintaining conditions that preserve viability and permit expansion. When continued stimulation is required, researchers apply repeated antigen or receptor signals. The culture must also be managed to limit exhaustion and contamination, allowing cells to remain suitable for downstream studies of activation, differentiation, or memory.
This approach is useful when experiments require more cellular material or a longer observation period than short-term activation allows. Researchers can examine T cell activation, differentiation, memory formation, immune regulation, and pathogen-specific responses. The extended culture also supports investigations of vaccine responses, host-pathogen interactions, and potential immunotherapies by providing sustained cells for analysis.
In infection research, extended cultures allow investigators to study how T cells respond to pathogen-related stimulation over time rather than only at an early activation stage. They can assess pathogen-specific responses alongside broader changes in differentiation, memory formation, and immune regulation. These observations help connect cellular behavior with host-pathogen interactions and with the evaluation of vaccine responses or potential immunotherapies.